The Gardens Weather Forecast

    • 7
    • 15

    Showers

    • 10
    • 18

    Showers increasing

    • 10
    • 15

    Shower or two

    • 6
    • 16

    Partly cloudy

    • 8
    • 17

    Mostly sunny

    • 7
    • 16

    Partly cloudy

    • 6
    • 16

    Cloudy

Today 18 Aug St Helens

Cloudy. Very high chance of showers. Winds northeasterly 20 to 25 km/h tending northerly 15 to 20 km/h in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northeasterly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
Seas
1.5 metres, increasing to 1.5 to 2 metres offshore.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system to the east of Tasmania will move away over the Tasman Sea overnight, with a trough to approach during Wednesday and move over the state later Wednesday and early Thursday. Another trough will cross Tasmania later on Thursday, with a west to northwesterly stream expected through Friday and then a cold front to brush the south of the state on Saturday morning.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Gardens Temperature Statistics View More

August Temperature

St Helens Aerodrome (18km)

  • Lowest 1 August, 2026

    3 °C

  • Average August

    9.9 °C

  • Highest 13 August, 2026

    19.2 °C

Climate (2021–2026)

St Helens Aerodrome (18km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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